vk: finer-grain barrier at renderpass end

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vk: finer-grain barrier at renderpass end #7808

Closed poweifeng closed 2 months ago

poweifeng commented 2 months ago

At the end of a renderpass we use a more fine-grained barrier for each of the attachments in the render target
Make sure that buffer update are barrier'd from previous reads
Remove previous Mali workaround barriers. Seems to be fine without them on pixels + Mali.

poweifeng commented 2 months ago

does this translate into measurable changes? e.g. can you "see" something different in AGI for instance?

Unfortunately, no visible improvements from AGI. This is a part of process of elimination, I suppose, to identify the cause of bubbles that we see in AGI.